18999002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 32598720

約数和(自身を除く): 13599718

約数列:

[1, 2, 11, 22, 29, 58, 97, 194, 307, 319, 614, 638, 1067, 2134, 2813, 3377, 5626, 6754, 8903, 17806, 29779, 30943, 59558, 61886, 97933, 195866, 327569, 655138, 863591, 1727182, 9499501, 18999002]

約数ペア:

[(1, 18999002), (2, 9499501), (11, 1727182), (22, 863591), (29, 655138), (58, 327569), (97, 195866), (194, 97933), (307, 61886), (319, 59558), (614, 30943), (638, 29779), (1067, 17806), (2134, 8903), (2813, 6754), (3377, 5626)]